(1)php cli方式下获取服务器ip
[php]
function getServerIp(){
$ss = exec('/sbin/ifconfig eth0 | sed -n \'s/^ *.*addr:\\([0-9.]\\{7,\\}\\) .*$/\\1/p\'',$arr);
$ret = $arr[0];
return $ret;
}
function getServerIp(){
$ss = exec('/sbin/ifconfig eth0 | sed -n \'s/^ *.*addr:\\([0-9.]\\{7,\\}\\) .*$/\\1/p\'',$arr);
$ret = $arr[0];
return $ret;
}
(2)php cgi方式下 获取 客户端ip和服务器端ip
[php]
[php]
PHP获取客户端和服务器IP地址的函数写法如下:
[code=Php width=600px]/**
* 获取客户端IP地址
* @return string
*/
function get_client_ip() {
if(getenv('HTTP_CLIENT_IP')){
$client_ip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR')) {
$client_ip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR')) {
$client_ip = getenv('REMOTE_ADDR');
} else {
$client_ip = $_SERVER['REMOTE_ADDR'];
}
return $client_ip;
}
/**
* 获取服务器端IP地址
* @return string
*/
function get_server_ip() {
if (isset($_SERVER)) {
if($_SERVER['SERVER_ADDR']) {
$server_ip = $_SERVER['SERVER_ADDR'];
} else {
$server_ip = $_SERVER['LOCAL_ADDR'];
}
} else {
$server_ip = getenv('SERVER_ADDR');
}
return $server_ip;
}
[/code]
客户端IP相关的变量
1. $_SERVER['REMOTE_ADDR']; 客户端IP,有可能是用户的IP,也有可能是代理的IP。
2. $_SERVER['HTTP_CLIENT_IP']; 代理端的IP,可能存在,可伪造。
3. $_SERVER['HTTP_X_FORWARDED_FOR']; 用户是在哪个IP使用的代理,可能存在,可以伪造。
服务器端IP相关的变量
1. $SERVER_NAME,需要使用函数gethostbyname()获得。这个变量无论在服务器端还是客户端均能正确显示。
2. $HTTP_SERVER_VARS["SERVER_ADDR"],在服务器端测试:127.0.0.1(这个与httpd.conf中BindAddress的设置值相关)。在客户端测试结果正确。
3. $_SERVER['LOCAL_ADDR'] 、$HTTP_SERVER_VARS['LOCAL_ADDR'],测试中,未获得任何结果(测试环境PHP5)。
完整的获得IP类
[code=Php width=600px]01./**
02. * Get Client/Server IP
03. *
04. * @author Yaron (http://yaron.org.cn)
05. * @version 0.1
06. * @package
07. */
08.
09.class getIP{
10. function clientIP(){
11. $cIP = getenv ( 'REMOTE_ADDR' );
12. $cIP1 = getenv ( 'HTTP_X_FORWARDED_FOR' );
13. $cIP2 = getenv ( 'HTTP_CLIENT_IP' );
14. $cIP1 ? $cIP = $cIP1 : null;
15. $cIP2 ? $cIP = $cIP2 : null;
16. return $cIP ;
17. }
18. function serverIP(){
19. return gethostbyname ( $_SERVER_NAME );
20. }
21.}
22.
23.$getIP = new getIP();
24.$clientIp = getIP::clientIP();
25.$serverIp = getIP::serverIP();
26.
27.echo 'Client IP is ' , $clientIp , '
' ;
28.echo 'Server IP is ' , $serverIp , '
' ;
PHP获取客户端和服务器IP地址的函数写法如下:
[code=Php width=600px]/**
* 获取客户端IP地址
* @return string
*/
function get_client_ip() {
if(getenv('HTTP_CLIENT_IP')){
$client_ip = getenv('HTTP_CLIENT_IP');
} elseif(getenv('HTTP_X_FORWARDED_FOR')) {
$client_ip = getenv('HTTP_X_FORWARDED_FOR');
} elseif(getenv('REMOTE_ADDR')) {
$client_ip = getenv('REMOTE_ADDR');
} else {
$client_ip = $_SERVER['REMOTE_ADDR'];
}
return $client_ip;
}
/**
* 获取服务器端IP地址
* @return string
*/
function get_server_ip() {
if (isset($_SERVER)) {
if($_SERVER['SERVER_ADDR']) {
$server_ip = $_SERVER['SERVER_ADDR'];
} else {
$server_ip = $_SERVER['LOCAL_ADDR'];
}
} else {
$server_ip = getenv('SERVER_ADDR');
}
return $server_ip;
}
[/code]
客户端IP相关的变量
1. $_SERVER['REMOTE_ADDR']; 客户端IP,有可能是用户的IP,也有可能是代理的IP。
2. $_SERVER['HTTP_CLIENT_IP']; 代理端的IP,可能存在,可伪造。
3. $_SERVER['HTTP_X_FORWARDED_FOR']; 用户是在哪个IP使用的代理,可能存在,可以伪造。
服务器端IP相关的变量
1. $SERVER_NAME,需要使用函数gethostbyname()获得。这个变量无论在服务器端还是客户端均能正确显示。
2. $HTTP_SERVER_VARS["SERVER_ADDR"],在服务器端测试:127.0.0.1(这个与httpd.conf中BindAddress的设置值相关)。在客户端测试结果正确。
3. $_SERVER['LOCAL_ADDR'] 、$HTTP_SERVER_VARS['LOCAL_ADDR'],测试中,未获得任何结果(测试环境PHP5)。
完整的获得IP类
[code=Php width=600px]01./**
02. * Get Client/Server IP
03. *
04. * @author Yaron (http://yaron.org.cn)
05. * @version 0.1
06. * @package
07. */
08.
09.class getIP{
10. function clientIP(){
11. $cIP = getenv ( 'REMOTE_ADDR' );
12. $cIP1 = getenv ( 'HTTP_X_FORWARDED_FOR' );
13. $cIP2 = getenv ( 'HTTP_CLIENT_IP' );
14. $cIP1 ? $cIP = $cIP1 : null;
15. $cIP2 ? $cIP = $cIP2 : null;
16. return $cIP ;
17. }
18. function serverIP(){
19. return gethostbyname ( $_SERVER_NAME );
20. }
21.}
22.
23.$getIP = new getIP();
24.$clientIp = getIP::clientIP();
25.$serverIp = getIP::serverIP();
26.
27.echo 'Client IP is ' , $clientIp , '
' ;
28.echo 'Server IP is ' , $serverIp , '
' ;

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